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Fork

Fork

1. An instrument consisting consisting of a handle with a shank terminating in two or more prongs or tines, which are usually of metal, parallel and slightly curved; used from piercing, holding, taking up, or pitching anything.

2. Anything furcate or like of a fork in shape, or furcate at the extremity; as, a tuning fork.

3. One of the parts into which anything is furcated or divided; a prong; a branch of a stream, a road, etc.; a barbed point, as of an arrow. Let it fall . . . Though the fork invade The region of my heart. (Shak) A thunderbolt with three forks. (Addison)

4. The place where a division or a union occurs; the angle or opening between two branches or limbs; as, the fork of a river, a tree, or a road.

5. The gibbet. Fork beam a mine is said to be in fork, or an engine to have the water in fork, when all the water is drawn out of the mine. The forks of a river or a road, the branches into which it divides, or which come together to form it; the place where separation or union takes place.

6. To shoot into blades, as corn. The corn beginneth to fork.

Origin: as. Forc, fr. L. Furca. Cf. Fourch, Furcate.


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The Colin Leslie Dean species paradox

... What I'm trying to say is there really isn't a "first" of a species. You see, when you look at the Tree of Life and you see a species fork off from it's parents species, that fork isn't a very defined fork. It is more of a blurry fork, because there is still some interbreeding between ...

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by papa1983
Mon Jul 27, 2009 5:16 am
 
Forum: Evolution
Topic: The Colin Leslie Dean species paradox
Replies: 120
Views: 2139

Re: Question for experts: Helicases

... the DNA molecule. How? Does it split in two, or are there more helicases that enter into the picture. The only thing I can find is that it makes a fork in the DNA and a really cheap animation. Maybe they don't really know in detail. Anyway it amazes me that one could handle 3b nucleotides before ...

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by AFJ
Sat Jul 04, 2009 8:47 pm
 
Forum: Molecular Biology
Topic: Question for experts: Helicases
Replies: 4
Views: 193

AB x A (Blood type) Cross Issues and Trihybrid Phenotypes

... yellow, round? (I got 27/64 for this) b. short, green, wrinkled? (I got 1/64 for this) c. short, green, round? (and 3/64 for this one) I used the fork line method for this trihybrid problem and came up with the 27:9:9:3:9:3:3:1 ratio, i'm confident I got the answers right but someone checking ...

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by Iceshard
Tue Feb 03, 2009 10:08 pm
 
Forum: Genetics
Topic: AB x A (Blood type) Cross Issues and Trihybrid Phenotypes
Replies: 1
Views: 1148

How do they do it?

... DNA helix and denature a small region of the DNA, thus making a "nick" on the strand. Next, other enzyme components form the replication fork. Several helicases and topoisomerases are involved here. Only after this DNA polymerase III takes the main responsibility of the replication, although ...

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by biohazard
Fri Oct 31, 2008 9:16 pm
 
Forum: Molecular Biology
Topic: How do they do it?
Replies: 3
Views: 511

help! my biology teacher is trying to kill me!

... a pair of male human sex chromosomes? a) the letter of the alphabet b) a bride and groom c) identical twins d) a pair of blue jeans e)a knife, fork and spoon 12. The function of an electron transportchainis analogous to a) a slinky toy going down a flight of stairs b) playing ping-pong c)a ...

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by marnita
Sat May 31, 2008 10:44 pm
 
Forum: General Discussion
Topic: help! my biology teacher is trying to kill me!
Replies: 2
Views: 2107
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